Space Family Robinson Lost in Space #27

In "Prisoners of the Brain," the Space Family Robinson finds themselves trapped on Planet Four by the Great Brain, the last remnant of a long-dead civilization, who holds Craig and June captive in a city ruled by robots. Written by Gaylord Du Bois and illustrated by Dan Spiegle, this 1968 adventure blends sci-fi mystery with the family’s trademark resilience. The cover by George Wilson captures the eerie grandeur of the robotic city, setting the tone for a tense, isolated encounter in the cosmos.